// Copyright 2014 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.vfs;
import com.google.common.collect.Interner;
import com.google.devtools.build.lib.concurrent.BlazeInterners;
/**
* Static singleton holder for certain interning pools.
*/
public final class Canonicalizer<E> {
private static final Interner<PathFragment> FRAGMENT_INTERNER =
BlazeInterners.newWeakInterner();
/**
* Creates an instance of Canonicalizer tracking path fragments.
*/
public static Interner<PathFragment> fragments() {
return FRAGMENT_INTERNER;
}
private Canonicalizer() {
}
}